Now Playing: What it takes to treat the flu and flu-like symptoms in adults now?Now Playing – What is the ‘gold standard’ for treating a flu?Now Play: How to find out what the flu symptoms look like for yourself Now Playing
Now Playing: What it takes to treat the flu and flu-like symptoms in adults now?Now Playing – What is the ‘gold standard’ for treating a flu?Now Play: How to find out what the flu symptoms look like for yourself Now Playing